How to convert 0.80 to a fraction?

0.80 = 80/100 Then simplify to 4/5.

0.80 terminating or repeating?

It is a terminating decimal. The simplest fraction is 4/5.

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0.80 =

0.80

100

(2 decimal places → denominator 100)

80/100

→ simplify ÷20

(divide numerator and denominator by 20)

Step 1: 0.80 has 2 decimal places, so write it as 80/100.

Step 2: Divide numerator and denominator by 20: 80/100 → 4/5.

Property: In simplest terms, denominators with prime factors only 2 and/or 5 produce terminating decimals.

Why can 0.80 be converted to a fraction?: Decimals can be expressed as fractions by using place value and simplifying.
0.80 terminating or repeating?: It is terminating.
Can it be simplified further?: 4/5 is simplest.

Percentage & Ratio: 0.80 can be interpreted as 4/5 in practical scenarios like discounts and rates.

Statistics: A proportion of 0.80 often represents a 80% probability — for example, a 80% significance level (p-value) in experiments or surveys.

Finance: Rates expressed with 0.80 (e.g., 80%) appear in returns and fees.